Ventilator



March 1930. A. R. LAUBENSTEIN 1,750,413

VEN TI LAT OR Filed March 13, 1929 lNVENTOR WITNESSES A.R.LAUBEN$TEIN 5? BY W.

ATTORNEYS Patented Mar. 11, 1930 UNITED STATES ALBERT R. LAUBENSTEIN, OF ASITLAND, PENNSYLVANIA v VENTILATOR Application filed. March 13, 1829. Serial No. 346,691.

This invention relates to a ventilator designed and adapted to be used in conjunction with a window for the purpose of allowing fresh air to enter a room or apartment, and

to exclude rain and other elements of weather, when the window is open, and is a continuation in part of my copending application Serial No. 297,483, filed August 4,

1928, patented April 9, 1929, No. 1,708,841. 19 Some of the objects of the invention are:

to produce a ventilator of the indicated character which will be of simplified and durable construction; one which may be readily attached; one which prevents forceful blast-s of air from entering a room or apartment, and which divides the air in such a manner as to prevent drafts; and one which may be manufactured with comparative economy.

The nature of the invention and its distin- 29 guishing features and advantages will ap pear when the following specification is read in connection with the accompanying drawing, in which- Figure 1 is a vertical sectional view through a ventilator constructed in accordance with the invention, and applied to a window frame, a portion of which is shown, and also showing a portion of a lower sash in open position.

Fig. 2 is a sectional plan view, the section being taken on the line 22 of Fig. 1, portions of the window frame shown, and portions of the ventilator being broken away.

Fig. 3 is a plan view of a blank from which the left part of the ventilator is produced; it being understood that a blank will also be used for producing the right companion ventilator part.

Fig. 4 is a View similar to Fig. 1 but showcross sectionally considered, than the part 11,

ing a modified form of ventilator, the section so that the latter may be associated with the former for relative sliding movement, for

the purpose of adjusting the ventilator to there is shown a blank B consisting of a single piece of sheet metal. This blank is so stamped and cut that when folded or bent along the line 12 produces a section 13, which will be the main or deflector section, and a section 14 having perforations 15 which will be the top section. When the sect-ion 13 is bent along the line 17, a flange will be produced along the lower edge of said section 13, said flange being designated 18. When the top section 14 is bent along the line 19, said section will be provided with a depending flange 20. In this manner the left hand part 10 is produced, and it is to be understood that the right hand part 11 will be produced from a substantially similar blank, but the right hand part 11 will be smaller cross sectionally considered, to be slidably engageable with the part 10. It is also to be understood that the part 10 will have a corner notch 21 in the top left end section 14 thereof, whereas the part 11 will have a similar notch 21 in the right end of its top section 14, and in this manner a ventilator is produced which is ready for use in conjunction with windows the frames of which are of varying widths. In order to apply the ventilator use is made of two fastening elements, such as the screws 22 having angularly disposed terminals 23. The screws 22 are screwed into the inside strips or stops 24 respectively on the side stiles of the window frame. The screws 22 are so positioned that the terminals 23 thereof will be receivable respectively in perforations in the top sections 14, with the flange 20 in contact with the lower rail of the window sash 25, and the flange 18 in contact with the sill of the frame and stops 24. On reference to Fig. 1, it will be apparent that when the lower window sash 25 is opened, air will be deflected upwardly through the perforations 15 in the top section 14, by the main section 13. It will also be apparent that rain and other elements of weather will be excluded by the top section 14, and that forceful blasts of air will be prevented from entering a room or apartment by the top section 14, since the perforations 15 will divide the air into streams to thus eliminate the drafts.

v The ventilator may be produced without the corner notches 21, such form of ventilator being shown in Figs. 4: and 5, in which similar reference numerals have been used to designate features corresponding to similar features in the form of ventilator shown in Figs. 1 to 3 inclusive.

I claim: 1. A window ventilator consisting of a main deflector section, and a perforated top section extending laterally from the upper edge of the deflector section and equal to the length thereof, and in combination, fasteners each adapted to be fixedly secured to a window frame, and engageable in one of the perforations of said top section, for the purpose of detachably securing the ventilator in place in the window frame opening.

2. A window ventilator consisting of a main deflector section, and a perforated top section extending laterally from the upper edge of the deflector section and equal to the length thereof, said top section having notches respectively in the opposite ends 20 thereof to respectively receive inside strips on a window frame, and in combination, fas teners each adapted to be fixedly secured to said window frame, and engageable in one of the perforations of said top section, for

the purpose of detachably securing the ventilator in place in the window frame opening.

3. A window ventilator comprising two parts associated with each other for relative sliding movement to render the ventilator adjustable to window frames of varying widths, each part consisting of a deflector section, and

a perforated top section extending laterally from said deflector section and equal to the length thereof, and in combination, fasteners each adapted to be fixedly secured to a window frame, and engageable in one of the perforations of said top section, for the purpose of detachably securing the ventilator in place in the window frame opening.

ALBERT R. LAUBENSTEIN. 

